#1D499F#1D499F

#1D499F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.148 H 261.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1D499F
RGB	rgb(29, 73, 159)
HSL	hsl(220, 69%, 37%)
HSV	hsv(220, 82%, 62%)
CMYK	cmyk(81.8%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(32.98, 17.99, -50.92)
CIE-LCH	lch(32.98, 54.01, 289.46°)
OKLab	oklab(42.84% -0.0208 -0.1468)
OKLCH	oklch(42.84% 0.148 261.9)
XYZ	xyz(9.1450, 7.5284, 33.7653)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D499F #9F731D

analogous

#1D8A9F #1D499F #321D9F

triadic

#1D499F #9F1D49 #499F1D

tetradic

#1D499F #9F1D8A #9F731D #1D9F32

square

#1D499F #9F1D8A #9F731D #1D9F32

split-complementary

#1D499F #9F321D #8A9F1D

monochromatic

#0A1937 #14316B #1D499F #2661D3 #5685E0

Accessibility & contrast

On white

8.38

#1D499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D499F

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D499F	#FFFFFF	#000000	##FFFFFF
##1D499F	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0354A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d499f;
/* rgb */ color: rgb(29, 73, 159);
/* oklch */ color: oklch(42.8% 0.148 261.9);

Tailwind

colors: {
  custom: {
    50: '#707bbc',
    500: '#1d499f',
    950: '#000000',
  },
}

SCSS

$custom: #1d499f;
$custom-light: #707bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d499f",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 219.692,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42844,
    "c": 0.14832,
    "h": 261.9
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#1D499F

secondary

#C49E54

accent

#B03CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D499F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →